Product Description

Serrated Safety Washers is a kind of Belleville Disc Spring with trapezoid cross section and serrations on both sides. Serrated Safety Washers is connected with bolt or screw, it can prevent bolt relaxation after vibration by increasing the friction resistance.
Serrated safety washers China are available in two different types: S type is suitable for normal duty, available for screw sizes: M1.6 to M*6. VS type is thicker and therefore achieves higher pretensioning loads, be used with high strength bolts, available for screw sizes:M5 to M*6.
m*0 washer dimensions supplier surface Condition And Corrosion Protection:
Polish
Phosphating and oil
Mechanical Zinc Plating
Chemical Nickel Plating
Docromet / Geomet Coating
Electrophoresis
If you require an item with different dimensions, material or surface treatment, please contact us (*@******************** our technical engineers will work closely with you to specify or design, and then manufacture the proper serrated safety washer for your application.